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Chemistry 113: Forensic Science Introduction - PowerPoint PPT Presentation


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Regents Chemistry. Tyna L. Meeks. 1. Introduction. This course will be following these guidelines: Organized by related techniques, called a spiral curriculum 15 Unit exams

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regents chemistry

RegentsChemistry

Tyna L. Meeks

1

introduction
Introduction

This course will be following these guidelines:

Organized by related techniques, called a spiral curriculum

15 Unit exams

Each quarter you must choose, and complete, a project from one of the units studied within that quarter, all project ideas are posted next to grade sheet, these projects vary from research to presentation - participation is required!

2

what will you need
What will you need?

YOURSELF

Open mind and willingness to learn

2 inch 3 ring binder for notes and handouts

Pencil and Blue or Black pen ONLY for labs and exams

3

grading
Grading

4

  • This course will be graded using the following guidelines:
  • Exams and Quizzes– 50% of grade

33% = Unit Exams 17% = Castle Learning and Quizzes

  • Homework and Classwork – 25% of grade
  • Labs – 25% of grade
grading5
Grading

5

  • Exams – 33% of grade
      • 15 unit exams
      • 1 comprehensive final exam commonly called the REGENTS
grading6
Grading

6

Quizzes and Project Participation – 17%

  • 4 projects, corresponding with each quarter
  • Be sure to check the project idea sheet regularly, don’t get caught at the quarter deadline without your projects!!
  • Expect Weekly quizzes that are cumulative and will be performed on Castle Learning Website…
grading7
Grading

7

Project Participation

  • First Quarter Possibilities

Adopt an Element

Celebrate Mole Day

College Level Lab

grading8
Grading

8

Project Participation

  • Second Quarter Possibilities

Build a Better Periodic Table

Scientific Newspaper

College Level Lab

grading9
Grading

9

Project Participation

  • Third Quarter

Science Fair

  • Fourth Quarter

Journal Research Paper

grading10
Grading

10

Labs – 25% of grade

  • Lab Reports always due TWO days after completion of lab
  • Graded using Rubric, out of 10
  • 1 point off every day late
    • After 5 days, the best you can hope for is a satisfactory, which goes in as a 5 in the grade book but earns lab minutes….
grading11
Grading

11

Labs – 25% of grade

  • Typed Lab Reports Cover – to be stapled to front of hand-out or handed in separate in lieu of lab book
    • Includes – purpose/hypothesis/question, data tables, answers to questions, and conclusion
    • The conclusion will become more difficult each quarter!
grading12
Grading

12

Labs – 25% of grade

  • All labs must be turned in within the quarter it was completed
  • No make-up labs will be performed outside of quarter the lab was originally set-up
  • Reports can always be turned in up until end of year for credit to take REGENTS
chemistry intro
Chemistry Intro

13

What is Chemistry?

1) Why is chemistry often called the central science?

2) What is the scientific method?

3) What are the steps of the scientific method?

chemistry intro14
Chemistry Intro

14

Chemistry- the study of composition, structure, and properties of matter, the changes which matter undergoes, and the energy accompanying these changes.

Chemistry has been called the central science because it overlaps so many sciences. Engineering, Policeman, Fireman, Hair stylist ect.

chemistry intro15
Chemistry Intro

15

  • Scientific Method- an orderly and systematic approach to gather knowledge.
      • Observation- using your senses
      • Hypothesis- an educated guess
      • Experiment- a control and variable
      • Conclusion- may raise new

questions and lead

to new hypotheses

and new experiments.

chemistry intro16
Chemistry Intro

16

Natural law- how nature behaves but does not explain why nature behaves in that particular way.

Ex: "The sun will come up tomorrow

Theory- explains why nature behaves in the way described by the natural law. It also predicts the results of further experiments.

Ex: Theory of evolution.

chemistry intro17
Chemistry Intro

17

Scientific Method- real science does not have to follow steps IN ORDER.

types of matter
Types of Matter

18

  • What types of matter exist?
  • What is the difference between a solid, liquid and gas?
  • 2) How can attractive forces help determine the type of matter I’m looking at?
  • 3) What is the difference between a pure substance and a mixture?
types of matter19
Types of Matter

19

What types of matter exist?

4) What is the difference between an element and a compound?

5) What is an atom actually made up of?

6) How do I identify the types of mixtures? How do I separate them?

types of matter23
Types of Matter

23

Pure Substance

1. Element

2. Compound

Mixture

1. Homogeneous

2. Heterogeneous

types of matter25
Types of Matter

25

Pure Substance

1. Element – CANNOT be broken down, smallest particle is known as an ATOM

2. Compound – CAN be broken down into its elements by breaking apart bonds, always exists in perfect whole number ratios

chemistry intro36
Chemistry Intro

36

Types of Matter

properties of matter
Properties of Matter

37

  • What are the properties of matter?
  • What is the difference between a physical property and a chemical property?
  • 2) What descriptive words would you use for physical properties?
  • 3) What descriptive word would you use for chemical properties?
energy and matter
Energy and Matter

41

  • How are energy and matter connected?
  • What are the different types of energy?
  • 2) What descriptive word or measurement do we use to describe the energy of matter?
changes in matter
Changes in Matter

45

  • How can matter change from one form to another?
  • What descriptive words do we use to identify the ways that matter can change form?
  • 2) What are the definitions for the variety of changes we can see?
changes in matter46
Changes in Matter

A change in the state of matter ALWAYS requires a change in energy…

- energy going into the system

ENDOTHERMIC

- energy coming out of the system

EXOTHERMIC

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